- Capacity: 5600mAh - Li-ion battery- With specially designed battery cover- This battery is still in preparation process, not yet released- Any credit on pre-order will be transferred to real order when the battery released- Notice will be given via email when the battery is ready- Credit will be refunded if the battery project is not successful finally- Pre-order quantity is the major factor affecting the decision of the product of battery- If you wanted it, place the pre order and don't let your wanted item gone!!- The estimated price for this extended battery is: USD $22.79